In the context of the requirements of the Ministry of Education for the establishment of first-class undergraduate majors, the landscape majors of agricultural and forestry colleges are facing higher requirements when updating their curriculum system. The article traces the origin of the development characteristics of the gardening major of agricultural and forestry colleges, and combines the requirements of the "profoundness-innovation-challenging" standard in the "Double Ten Thousand" plan for the construction of first-class majors and first-class courses, sorts out the characteristics and requirements of the curriculum system, and takes "Forestry Majors" as the characteristic , while integrating the professional standards of "architecture".On this basis, the TOPSIS entropy method is used to analyze the rationality of the demand-oriented landscape architecture curriculum system of Anhui Agricultural University, and obtain the optimal ideal solution of the overall curriculum system, the main curriculum system and the innovative practice curriculum system. Compared with the constructed curriculum system, the results show that the overall recognition is high. It further confirmed the scientific nature of the curriculum system of the gardening major of the agricultural and forestry colleges and universities, meeting the requirements of diversified teaching with the characteristics of "new agricultural science" combined with multidisciplinary crossover, and achieved the training goals.